Home / 7,448.03-10,278.27-4,090.93

Finding the Fourth Proportional to 7,448.03, 10,278.27 and 4,090.93

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Solution

The fourth proportional to 7,448.03, 10,278.27 and 4,090.93 is: 5,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.03 : 10,278.27 = 4,090.93 : x
  2. Step 2: Convert to fraction form
    7,448.03/10,278.27 = 4,090.93/x
  3. Step 3: Cross multiply
    7,448.03x = 10,278.27 × 4,090.93
  4. Step 4: Simplify right side
    7,448.03x = 42,047,719.01
  5. Step 5: Solve for x
    x = 42,047,719.01/7,448.03
  6. Step 6: Final answer
    x = 5,645.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.